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#include "des.h" |
| 2 |
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| 3 |
static const DES_LONG DES_SPtrans[8][64]={ |
| 4 |
{ |
| 5 |
/* nibble 0 */ |
| 6 |
0x02080800L, 0x00080000L, 0x02000002L, 0x02080802L, |
| 7 |
0x02000000L, 0x00080802L, 0x00080002L, 0x02000002L, |
| 8 |
0x00080802L, 0x02080800L, 0x02080000L, 0x00000802L, |
| 9 |
0x02000802L, 0x02000000L, 0x00000000L, 0x00080002L, |
| 10 |
0x00080000L, 0x00000002L, 0x02000800L, 0x00080800L, |
| 11 |
0x02080802L, 0x02080000L, 0x00000802L, 0x02000800L, |
| 12 |
0x00000002L, 0x00000800L, 0x00080800L, 0x02080002L, |
| 13 |
0x00000800L, 0x02000802L, 0x02080002L, 0x00000000L, |
| 14 |
0x00000000L, 0x02080802L, 0x02000800L, 0x00080002L, |
| 15 |
0x02080800L, 0x00080000L, 0x00000802L, 0x02000800L, |
| 16 |
0x02080002L, 0x00000800L, 0x00080800L, 0x02000002L, |
| 17 |
0x00080802L, 0x00000002L, 0x02000002L, 0x02080000L, |
| 18 |
0x02080802L, 0x00080800L, 0x02080000L, 0x02000802L, |
| 19 |
0x02000000L, 0x00000802L, 0x00080002L, 0x00000000L, |
| 20 |
0x00080000L, 0x02000000L, 0x02000802L, 0x02080800L, |
| 21 |
0x00000002L, 0x02080002L, 0x00000800L, 0x00080802L, |
| 22 |
},{ |
| 23 |
/* nibble 1 */ |
| 24 |
0x40108010L, 0x00000000L, 0x00108000L, 0x40100000L, |
| 25 |
0x40000010L, 0x00008010L, 0x40008000L, 0x00108000L, |
| 26 |
0x00008000L, 0x40100010L, 0x00000010L, 0x40008000L, |
| 27 |
0x00100010L, 0x40108000L, 0x40100000L, 0x00000010L, |
| 28 |
0x00100000L, 0x40008010L, 0x40100010L, 0x00008000L, |
| 29 |
0x00108010L, 0x40000000L, 0x00000000L, 0x00100010L, |
| 30 |
0x40008010L, 0x00108010L, 0x40108000L, 0x40000010L, |
| 31 |
0x40000000L, 0x00100000L, 0x00008010L, 0x40108010L, |
| 32 |
0x00100010L, 0x40108000L, 0x40008000L, 0x00108010L, |
| 33 |
0x40108010L, 0x00100010L, 0x40000010L, 0x00000000L, |
| 34 |
0x40000000L, 0x00008010L, 0x00100000L, 0x40100010L, |
| 35 |
0x00008000L, 0x40000000L, 0x00108010L, 0x40008010L, |
| 36 |
0x40108000L, 0x00008000L, 0x00000000L, 0x40000010L, |
| 37 |
0x00000010L, 0x40108010L, 0x00108000L, 0x40100000L, |
| 38 |
0x40100010L, 0x00100000L, 0x00008010L, 0x40008000L, |
| 39 |
0x40008010L, 0x00000010L, 0x40100000L, 0x00108000L, |
| 40 |
},{ |
| 41 |
/* nibble 2 */ |
| 42 |
0x04000001L, 0x04040100L, 0x00000100L, 0x04000101L, |
| 43 |
0x00040001L, 0x04000000L, 0x04000101L, 0x00040100L, |
| 44 |
0x04000100L, 0x00040000L, 0x04040000L, 0x00000001L, |
| 45 |
0x04040101L, 0x00000101L, 0x00000001L, 0x04040001L, |
| 46 |
0x00000000L, 0x00040001L, 0x04040100L, 0x00000100L, |
| 47 |
0x00000101L, 0x04040101L, 0x00040000L, 0x04000001L, |
| 48 |
0x04040001L, 0x04000100L, 0x00040101L, 0x04040000L, |
| 49 |
0x00040100L, 0x00000000L, 0x04000000L, 0x00040101L, |
| 50 |
0x04040100L, 0x00000100L, 0x00000001L, 0x00040000L, |
| 51 |
0x00000101L, 0x00040001L, 0x04040000L, 0x04000101L, |
| 52 |
0x00000000L, 0x04040100L, 0x00040100L, 0x04040001L, |
| 53 |
0x00040001L, 0x04000000L, 0x04040101L, 0x00000001L, |
| 54 |
0x00040101L, 0x04000001L, 0x04000000L, 0x04040101L, |
| 55 |
0x00040000L, 0x04000100L, 0x04000101L, 0x00040100L, |
| 56 |
0x04000100L, 0x00000000L, 0x04040001L, 0x00000101L, |
| 57 |
0x04000001L, 0x00040101L, 0x00000100L, 0x04040000L, |
| 58 |
},{ |
| 59 |
/* nibble 3 */ |
| 60 |
0x00401008L, 0x10001000L, 0x00000008L, 0x10401008L, |
| 61 |
0x00000000L, 0x10400000L, 0x10001008L, 0x00400008L, |
| 62 |
0x10401000L, 0x10000008L, 0x10000000L, 0x00001008L, |
| 63 |
0x10000008L, 0x00401008L, 0x00400000L, 0x10000000L, |
| 64 |
0x10400008L, 0x00401000L, 0x00001000L, 0x00000008L, |
| 65 |
0x00401000L, 0x10001008L, 0x10400000L, 0x00001000L, |
| 66 |
0x00001008L, 0x00000000L, 0x00400008L, 0x10401000L, |
| 67 |
0x10001000L, 0x10400008L, 0x10401008L, 0x00400000L, |
| 68 |
0x10400008L, 0x00001008L, 0x00400000L, 0x10000008L, |
| 69 |
0x00401000L, 0x10001000L, 0x00000008L, 0x10400000L, |
| 70 |
0x10001008L, 0x00000000L, 0x00001000L, 0x00400008L, |
| 71 |
0x00000000L, 0x10400008L, 0x10401000L, 0x00001000L, |
| 72 |
0x10000000L, 0x10401008L, 0x00401008L, 0x00400000L, |
| 73 |
0x10401008L, 0x00000008L, 0x10001000L, 0x00401008L, |
| 74 |
0x00400008L, 0x00401000L, 0x10400000L, 0x10001008L, |
| 75 |
0x00001008L, 0x10000000L, 0x10000008L, 0x10401000L, |
| 76 |
},{ |
| 77 |
/* nibble 4 */ |
| 78 |
0x08000000L, 0x00010000L, 0x00000400L, 0x08010420L, |
| 79 |
0x08010020L, 0x08000400L, 0x00010420L, 0x08010000L, |
| 80 |
0x00010000L, 0x00000020L, 0x08000020L, 0x00010400L, |
| 81 |
0x08000420L, 0x08010020L, 0x08010400L, 0x00000000L, |
| 82 |
0x00010400L, 0x08000000L, 0x00010020L, 0x00000420L, |
| 83 |
0x08000400L, 0x00010420L, 0x00000000L, 0x08000020L, |
| 84 |
0x00000020L, 0x08000420L, 0x08010420L, 0x00010020L, |
| 85 |
0x08010000L, 0x00000400L, 0x00000420L, 0x08010400L, |
| 86 |
0x08010400L, 0x08000420L, 0x00010020L, 0x08010000L, |
| 87 |
0x00010000L, 0x00000020L, 0x08000020L, 0x08000400L, |
| 88 |
0x08000000L, 0x00010400L, 0x08010420L, 0x00000000L, |
| 89 |
0x00010420L, 0x08000000L, 0x00000400L, 0x00010020L, |
| 90 |
0x08000420L, 0x00000400L, 0x00000000L, 0x08010420L, |
| 91 |
0x08010020L, 0x08010400L, 0x00000420L, 0x00010000L, |
| 92 |
0x00010400L, 0x08010020L, 0x08000400L, 0x00000420L, |
| 93 |
0x00000020L, 0x00010420L, 0x08010000L, 0x08000020L, |
| 94 |
},{ |
| 95 |
/* nibble 5 */ |
| 96 |
0x80000040L, 0x00200040L, 0x00000000L, 0x80202000L, |
| 97 |
0x00200040L, 0x00002000L, 0x80002040L, 0x00200000L, |
| 98 |
0x00002040L, 0x80202040L, 0x00202000L, 0x80000000L, |
| 99 |
0x80002000L, 0x80000040L, 0x80200000L, 0x00202040L, |
| 100 |
0x00200000L, 0x80002040L, 0x80200040L, 0x00000000L, |
| 101 |
0x00002000L, 0x00000040L, 0x80202000L, 0x80200040L, |
| 102 |
0x80202040L, 0x80200000L, 0x80000000L, 0x00002040L, |
| 103 |
0x00000040L, 0x00202000L, 0x00202040L, 0x80002000L, |
| 104 |
0x00002040L, 0x80000000L, 0x80002000L, 0x00202040L, |
| 105 |
0x80202000L, 0x00200040L, 0x00000000L, 0x80002000L, |
| 106 |
0x80000000L, 0x00002000L, 0x80200040L, 0x00200000L, |
| 107 |
0x00200040L, 0x80202040L, 0x00202000L, 0x00000040L, |
| 108 |
0x80202040L, 0x00202000L, 0x00200000L, 0x80002040L, |
| 109 |
0x80000040L, 0x80200000L, 0x00202040L, 0x00000000L, |
| 110 |
0x00002000L, 0x80000040L, 0x80002040L, 0x80202000L, |
| 111 |
0x80200000L, 0x00002040L, 0x00000040L, 0x80200040L, |
| 112 |
},{ |
| 113 |
/* nibble 6 */ |
| 114 |
0x00004000L, 0x00000200L, 0x01000200L, 0x01000004L, |
| 115 |
0x01004204L, 0x00004004L, 0x00004200L, 0x00000000L, |
| 116 |
0x01000000L, 0x01000204L, 0x00000204L, 0x01004000L, |
| 117 |
0x00000004L, 0x01004200L, 0x01004000L, 0x00000204L, |
| 118 |
0x01000204L, 0x00004000L, 0x00004004L, 0x01004204L, |
| 119 |
0x00000000L, 0x01000200L, 0x01000004L, 0x00004200L, |
| 120 |
0x01004004L, 0x00004204L, 0x01004200L, 0x00000004L, |
| 121 |
0x00004204L, 0x01004004L, 0x00000200L, 0x01000000L, |
| 122 |
0x00004204L, 0x01004000L, 0x01004004L, 0x00000204L, |
| 123 |
0x00004000L, 0x00000200L, 0x01000000L, 0x01004004L, |
| 124 |
0x01000204L, 0x00004204L, 0x00004200L, 0x00000000L, |
| 125 |
0x00000200L, 0x01000004L, 0x00000004L, 0x01000200L, |
| 126 |
0x00000000L, 0x01000204L, 0x01000200L, 0x00004200L, |
| 127 |
0x00000204L, 0x00004000L, 0x01004204L, 0x01000000L, |
| 128 |
0x01004200L, 0x00000004L, 0x00004004L, 0x01004204L, |
| 129 |
0x01000004L, 0x01004200L, 0x01004000L, 0x00004004L, |
| 130 |
},{ |
| 131 |
/* nibble 7 */ |
| 132 |
0x20800080L, 0x20820000L, 0x00020080L, 0x00000000L, |
| 133 |
0x20020000L, 0x00800080L, 0x20800000L, 0x20820080L, |
| 134 |
0x00000080L, 0x20000000L, 0x00820000L, 0x00020080L, |
| 135 |
0x00820080L, 0x20020080L, 0x20000080L, 0x20800000L, |
| 136 |
0x00020000L, 0x00820080L, 0x00800080L, 0x20020000L, |
| 137 |
0x20820080L, 0x20000080L, 0x00000000L, 0x00820000L, |
| 138 |
0x20000000L, 0x00800000L, 0x20020080L, 0x20800080L, |
| 139 |
0x00800000L, 0x00020000L, 0x20820000L, 0x00000080L, |
| 140 |
0x00800000L, 0x00020000L, 0x20000080L, 0x20820080L, |
| 141 |
0x00020080L, 0x20000000L, 0x00000000L, 0x00820000L, |
| 142 |
0x20800080L, 0x20020080L, 0x20020000L, 0x00800080L, |
| 143 |
0x20820000L, 0x00000080L, 0x00800080L, 0x20020000L, |
| 144 |
0x20820080L, 0x00800000L, 0x20800000L, 0x20000080L, |
| 145 |
0x00820000L, 0x00020080L, 0x20020080L, 0x20800000L, |
| 146 |
0x00000080L, 0x20820000L, 0x00820080L, 0x00000000L, |
| 147 |
0x20000000L, 0x20800080L, 0x00020000L, 0x00820080L, |
| 148 |
}}; |
| 149 |
|
| 150 |
static const DES_LONG des_skb[8][64]={ |
| 151 |
{ |
| 152 |
/* for C bits (numbered as per FIPS 46) 1 2 3 4 5 6 */ |
| 153 |
0x00000000L,0x00000010L,0x20000000L,0x20000010L, |
| 154 |
0x00010000L,0x00010010L,0x20010000L,0x20010010L, |
| 155 |
0x00000800L,0x00000810L,0x20000800L,0x20000810L, |
| 156 |
0x00010800L,0x00010810L,0x20010800L,0x20010810L, |
| 157 |
0x00000020L,0x00000030L,0x20000020L,0x20000030L, |
| 158 |
0x00010020L,0x00010030L,0x20010020L,0x20010030L, |
| 159 |
0x00000820L,0x00000830L,0x20000820L,0x20000830L, |
| 160 |
0x00010820L,0x00010830L,0x20010820L,0x20010830L, |
| 161 |
0x00080000L,0x00080010L,0x20080000L,0x20080010L, |
| 162 |
0x00090000L,0x00090010L,0x20090000L,0x20090010L, |
| 163 |
0x00080800L,0x00080810L,0x20080800L,0x20080810L, |
| 164 |
0x00090800L,0x00090810L,0x20090800L,0x20090810L, |
| 165 |
0x00080020L,0x00080030L,0x20080020L,0x20080030L, |
| 166 |
0x00090020L,0x00090030L,0x20090020L,0x20090030L, |
| 167 |
0x00080820L,0x00080830L,0x20080820L,0x20080830L, |
| 168 |
0x00090820L,0x00090830L,0x20090820L,0x20090830L, |
| 169 |
},{ |
| 170 |
/* for C bits (numbered as per FIPS 46) 7 8 10 11 12 13 */ |
| 171 |
0x00000000L,0x02000000L,0x00002000L,0x02002000L, |
| 172 |
0x00200000L,0x02200000L,0x00202000L,0x02202000L, |
| 173 |
0x00000004L,0x02000004L,0x00002004L,0x02002004L, |
| 174 |
0x00200004L,0x02200004L,0x00202004L,0x02202004L, |
| 175 |
0x00000400L,0x02000400L,0x00002400L,0x02002400L, |
| 176 |
0x00200400L,0x02200400L,0x00202400L,0x02202400L, |
| 177 |
0x00000404L,0x02000404L,0x00002404L,0x02002404L, |
| 178 |
0x00200404L,0x02200404L,0x00202404L,0x02202404L, |
| 179 |
0x10000000L,0x12000000L,0x10002000L,0x12002000L, |
| 180 |
0x10200000L,0x12200000L,0x10202000L,0x12202000L, |
| 181 |
0x10000004L,0x12000004L,0x10002004L,0x12002004L, |
| 182 |
0x10200004L,0x12200004L,0x10202004L,0x12202004L, |
| 183 |
0x10000400L,0x12000400L,0x10002400L,0x12002400L, |
| 184 |
0x10200400L,0x12200400L,0x10202400L,0x12202400L, |
| 185 |
0x10000404L,0x12000404L,0x10002404L,0x12002404L, |
| 186 |
0x10200404L,0x12200404L,0x10202404L,0x12202404L, |
| 187 |
},{ |
| 188 |
/* for C bits (numbered as per FIPS 46) 14 15 16 17 19 20 */ |
| 189 |
0x00000000L,0x00000001L,0x00040000L,0x00040001L, |
| 190 |
0x01000000L,0x01000001L,0x01040000L,0x01040001L, |
| 191 |
0x00000002L,0x00000003L,0x00040002L,0x00040003L, |
| 192 |
0x01000002L,0x01000003L,0x01040002L,0x01040003L, |
| 193 |
0x00000200L,0x00000201L,0x00040200L,0x00040201L, |
| 194 |
0x01000200L,0x01000201L,0x01040200L,0x01040201L, |
| 195 |
0x00000202L,0x00000203L,0x00040202L,0x00040203L, |
| 196 |
0x01000202L,0x01000203L,0x01040202L,0x01040203L, |
| 197 |
0x08000000L,0x08000001L,0x08040000L,0x08040001L, |
| 198 |
0x09000000L,0x09000001L,0x09040000L,0x09040001L, |
| 199 |
0x08000002L,0x08000003L,0x08040002L,0x08040003L, |
| 200 |
0x09000002L,0x09000003L,0x09040002L,0x09040003L, |
| 201 |
0x08000200L,0x08000201L,0x08040200L,0x08040201L, |
| 202 |
0x09000200L,0x09000201L,0x09040200L,0x09040201L, |
| 203 |
0x08000202L,0x08000203L,0x08040202L,0x08040203L, |
| 204 |
0x09000202L,0x09000203L,0x09040202L,0x09040203L, |
| 205 |
},{ |
| 206 |
/* for C bits (numbered as per FIPS 46) 21 23 24 26 27 28 */ |
| 207 |
0x00000000L,0x00100000L,0x00000100L,0x00100100L, |
| 208 |
0x00000008L,0x00100008L,0x00000108L,0x00100108L, |
| 209 |
0x00001000L,0x00101000L,0x00001100L,0x00101100L, |
| 210 |
0x00001008L,0x00101008L,0x00001108L,0x00101108L, |
| 211 |
0x04000000L,0x04100000L,0x04000100L,0x04100100L, |
| 212 |
0x04000008L,0x04100008L,0x04000108L,0x04100108L, |
| 213 |
0x04001000L,0x04101000L,0x04001100L,0x04101100L, |
| 214 |
0x04001008L,0x04101008L,0x04001108L,0x04101108L, |
| 215 |
0x00020000L,0x00120000L,0x00020100L,0x00120100L, |
| 216 |
0x00020008L,0x00120008L,0x00020108L,0x00120108L, |
| 217 |
0x00021000L,0x00121000L,0x00021100L,0x00121100L, |
| 218 |
0x00021008L,0x00121008L,0x00021108L,0x00121108L, |
| 219 |
0x04020000L,0x04120000L,0x04020100L,0x04120100L, |
| 220 |
0x04020008L,0x04120008L,0x04020108L,0x04120108L, |
| 221 |
0x04021000L,0x04121000L,0x04021100L,0x04121100L, |
| 222 |
0x04021008L,0x04121008L,0x04021108L,0x04121108L, |
| 223 |
},{ |
| 224 |
/* for D bits (numbered as per FIPS 46) 1 2 3 4 5 6 */ |
| 225 |
0x00000000L,0x10000000L,0x00010000L,0x10010000L, |
| 226 |
0x00000004L,0x10000004L,0x00010004L,0x10010004L, |
| 227 |
0x20000000L,0x30000000L,0x20010000L,0x30010000L, |
| 228 |
0x20000004L,0x30000004L,0x20010004L,0x30010004L, |
| 229 |
0x00100000L,0x10100000L,0x00110000L,0x10110000L, |
| 230 |
0x00100004L,0x10100004L,0x00110004L,0x10110004L, |
| 231 |
0x20100000L,0x30100000L,0x20110000L,0x30110000L, |
| 232 |
0x20100004L,0x30100004L,0x20110004L,0x30110004L, |
| 233 |
0x00001000L,0x10001000L,0x00011000L,0x10011000L, |
| 234 |
0x00001004L,0x10001004L,0x00011004L,0x10011004L, |
| 235 |
0x20001000L,0x30001000L,0x20011000L,0x30011000L, |
| 236 |
0x20001004L,0x30001004L,0x20011004L,0x30011004L, |
| 237 |
0x00101000L,0x10101000L,0x00111000L,0x10111000L, |
| 238 |
0x00101004L,0x10101004L,0x00111004L,0x10111004L, |
| 239 |
0x20101000L,0x30101000L,0x20111000L,0x30111000L, |
| 240 |
0x20101004L,0x30101004L,0x20111004L,0x30111004L, |
| 241 |
},{ |
| 242 |
/* for D bits (numbered as per FIPS 46) 8 9 11 12 13 14 */ |
| 243 |
0x00000000L,0x08000000L,0x00000008L,0x08000008L, |
| 244 |
0x00000400L,0x08000400L,0x00000408L,0x08000408L, |
| 245 |
0x00020000L,0x08020000L,0x00020008L,0x08020008L, |
| 246 |
0x00020400L,0x08020400L,0x00020408L,0x08020408L, |
| 247 |
0x00000001L,0x08000001L,0x00000009L,0x08000009L, |
| 248 |
0x00000401L,0x08000401L,0x00000409L,0x08000409L, |
| 249 |
0x00020001L,0x08020001L,0x00020009L,0x08020009L, |
| 250 |
0x00020401L,0x08020401L,0x00020409L,0x08020409L, |
| 251 |
0x02000000L,0x0A000000L,0x02000008L,0x0A000008L, |
| 252 |
0x02000400L,0x0A000400L,0x02000408L,0x0A000408L, |
| 253 |
0x02020000L,0x0A020000L,0x02020008L,0x0A020008L, |
| 254 |
0x02020400L,0x0A020400L,0x02020408L,0x0A020408L, |
| 255 |
0x02000001L,0x0A000001L,0x02000009L,0x0A000009L, |
| 256 |
0x02000401L,0x0A000401L,0x02000409L,0x0A000409L, |
| 257 |
0x02020001L,0x0A020001L,0x02020009L,0x0A020009L, |
| 258 |
0x02020401L,0x0A020401L,0x02020409L,0x0A020409L, |
| 259 |
},{ |
| 260 |
/* for D bits (numbered as per FIPS 46) 16 17 18 19 20 21 */ |
| 261 |
0x00000000L,0x00000100L,0x00080000L,0x00080100L, |
| 262 |
0x01000000L,0x01000100L,0x01080000L,0x01080100L, |
| 263 |
0x00000010L,0x00000110L,0x00080010L,0x00080110L, |
| 264 |
0x01000010L,0x01000110L,0x01080010L,0x01080110L, |
| 265 |
0x00200000L,0x00200100L,0x00280000L,0x00280100L, |
| 266 |
0x01200000L,0x01200100L,0x01280000L,0x01280100L, |
| 267 |
0x00200010L,0x00200110L,0x00280010L,0x00280110L, |
| 268 |
0x01200010L,0x01200110L,0x01280010L,0x01280110L, |
| 269 |
0x00000200L,0x00000300L,0x00080200L,0x00080300L, |
| 270 |
0x01000200L,0x01000300L,0x01080200L,0x01080300L, |
| 271 |
0x00000210L,0x00000310L,0x00080210L,0x00080310L, |
| 272 |
0x01000210L,0x01000310L,0x01080210L,0x01080310L, |
| 273 |
0x00200200L,0x00200300L,0x00280200L,0x00280300L, |
| 274 |
0x01200200L,0x01200300L,0x01280200L,0x01280300L, |
| 275 |
0x00200210L,0x00200310L,0x00280210L,0x00280310L, |
| 276 |
0x01200210L,0x01200310L,0x01280210L,0x01280310L, |
| 277 |
},{ |
| 278 |
/* for D bits (numbered as per FIPS 46) 22 23 24 25 27 28 */ |
| 279 |
0x00000000L,0x04000000L,0x00040000L,0x04040000L, |
| 280 |
0x00000002L,0x04000002L,0x00040002L,0x04040002L, |
| 281 |
0x00002000L,0x04002000L,0x00042000L,0x04042000L, |
| 282 |
0x00002002L,0x04002002L,0x00042002L,0x04042002L, |
| 283 |
0x00000020L,0x04000020L,0x00040020L,0x04040020L, |
| 284 |
0x00000022L,0x04000022L,0x00040022L,0x04040022L, |
| 285 |
0x00002020L,0x04002020L,0x00042020L,0x04042020L, |
| 286 |
0x00002022L,0x04002022L,0x00042022L,0x04042022L, |
| 287 |
0x00000800L,0x04000800L,0x00040800L,0x04040800L, |
| 288 |
0x00000802L,0x04000802L,0x00040802L,0x04040802L, |
| 289 |
0x00002800L,0x04002800L,0x00042800L,0x04042800L, |
| 290 |
0x00002802L,0x04002802L,0x00042802L,0x04042802L, |
| 291 |
0x00000820L,0x04000820L,0x00040820L,0x04040820L, |
| 292 |
0x00000822L,0x04000822L,0x00040822L,0x04040822L, |
| 293 |
0x00002820L,0x04002820L,0x00042820L,0x04042820L, |
| 294 |
0x00002822L,0x04002822L,0x00042822L,0x04042822L, |
| 295 |
}}; |
| 296 |
|
| 297 |
#define c2l(c,l) (l =((DES_LONG)(*((c)++))) , \ |
| 298 |
l|=((DES_LONG)(*((c)++)))<< 8L, \ |
| 299 |
l|=((DES_LONG)(*((c)++)))<<16L, \ |
| 300 |
l|=((DES_LONG)(*((c)++)))<<24L) |
| 301 |
|
| 302 |
#define l2c(l,c) (*((c)++)=(unsigned char)(((l) )&0xff), \ |
| 303 |
*((c)++)=(unsigned char)(((l)>> 8L)&0xff), \ |
| 304 |
*((c)++)=(unsigned char)(((l)>>16L)&0xff), \ |
| 305 |
*((c)++)=(unsigned char)(((l)>>24L)&0xff)) |
| 306 |
#define c2ln(c,l1,l2,n) { \ |
| 307 |
c+=n; \ |
| 308 |
l1=l2=0; \ |
| 309 |
switch (n) { \ |
| 310 |
case 8: l2 =((DES_LONG)(*(--(c))))<<24L; \ |
| 311 |
case 7: l2|=((DES_LONG)(*(--(c))))<<16L; \ |
| 312 |
case 6: l2|=((DES_LONG)(*(--(c))))<< 8L; \ |
| 313 |
case 5: l2|=((DES_LONG)(*(--(c)))); \ |
| 314 |
case 4: l1 =((DES_LONG)(*(--(c))))<<24L; \ |
| 315 |
case 3: l1|=((DES_LONG)(*(--(c))))<<16L; \ |
| 316 |
case 2: l1|=((DES_LONG)(*(--(c))))<< 8L; \ |
| 317 |
case 1: l1|=((DES_LONG)(*(--(c)))); \ |
| 318 |
} \ |
| 319 |
} |
| 320 |
|
| 321 |
#define HPERM_OP(a,t,n,m) ((t)=((((a)<<(16-(n)))^(a))&(m)),\ |
| 322 |
(a)=(a)^(t)^(t>>(16-(n)))) |
| 323 |
|
| 324 |
#define PERM_OP(a,b,t,n,m) ((t)=((((a)>>(n))^(b))&(m)),\ |
| 325 |
(b)^=(t),\ |
| 326 |
(a)=((a)^((t)<<(n)))) |
| 327 |
|
| 328 |
#define ROTATE(a,n) (((a)>>(n))+((a)<<(32-(n)))) |
| 329 |
|
| 330 |
#define IP(l,r) \ |
| 331 |
{ \ |
| 332 |
register DES_LONG tt; \ |
| 333 |
PERM_OP(r,l,tt, 4,0x0f0f0f0fL); \ |
| 334 |
PERM_OP(l,r,tt,16,0x0000ffffL); \ |
| 335 |
PERM_OP(r,l,tt, 2,0x33333333L); \ |
| 336 |
PERM_OP(l,r,tt, 8,0x00ff00ffL); \ |
| 337 |
PERM_OP(r,l,tt, 1,0x55555555L); \ |
| 338 |
} |
| 339 |
|
| 340 |
#define FP(l,r) \ |
| 341 |
{ \ |
| 342 |
register DES_LONG tt; \ |
| 343 |
PERM_OP(l,r,tt, 1,0x55555555L); \ |
| 344 |
PERM_OP(r,l,tt, 8,0x00ff00ffL); \ |
| 345 |
PERM_OP(l,r,tt, 2,0x33333333L); \ |
| 346 |
PERM_OP(r,l,tt,16,0x0000ffffL); \ |
| 347 |
PERM_OP(l,r,tt, 4,0x0f0f0f0fL); \ |
| 348 |
} |
| 349 |
#define LOAD_DATA(R,S,u,t,E0,E1,tmp) \ |
| 350 |
u=R^s[S ]; \ |
| 351 |
t=R^s[S+1] |
| 352 |
#define LOAD_DATA_tmp(a,b,c,d,e,f) LOAD_DATA(a,b,c,d,e,f,g) |
| 353 |
|
| 354 |
#define D_ENCRYPT(LL,R,S) { \ |
| 355 |
LOAD_DATA_tmp(R,S,u,t,E0,E1); \ |
| 356 |
t=ROTATE(t,4); \ |
| 357 |
LL^= \ |
| 358 |
*(const DES_LONG *)(des_SP +((u )&0xfc))^ \ |
| 359 |
*(const DES_LONG *)(des_SP+0x200+((u>> 8L)&0xfc))^ \ |
| 360 |
*(const DES_LONG *)(des_SP+0x400+((u>>16L)&0xfc))^ \ |
| 361 |
*(const DES_LONG *)(des_SP+0x600+((u>>24L)&0xfc))^ \ |
| 362 |
*(const DES_LONG *)(des_SP+0x100+((t )&0xfc))^ \ |
| 363 |
*(const DES_LONG *)(des_SP+0x300+((t>> 8L)&0xfc))^ \ |
| 364 |
*(const DES_LONG *)(des_SP+0x500+((t>>16L)&0xfc))^ \ |
| 365 |
*(const DES_LONG *)(des_SP+0x700+((t>>24L)&0xfc)); } |
| 366 |
|
| 367 |
void my_des_set_key(DES_cblock *key, DES_key_schedule *schedule) |
| 368 |
{ |
| 369 |
//DES_set_key_unchecked(key, schedule); |
| 370 |
static int shifts2[16]={0,0,1,1,1,1,1,1,0,1,1,1,1,1,1,0}; |
| 371 |
register DES_LONG c,d,t,s,t2; |
| 372 |
register const unsigned char *in; |
| 373 |
register DES_LONG *k; |
| 374 |
register int i; |
| 375 |
|
| 376 |
k = &schedule->ks->deslong[0]; |
| 377 |
in = &(*key)[0]; |
| 378 |
|
| 379 |
c2l(in,c); |
| 380 |
c2l(in,d); |
| 381 |
|
| 382 |
/* do PC1 in 47 simple operations :-) |
| 383 |
* Thanks to John Fletcher (john_fletcher@lccmail.ocf.llnl.gov) |
| 384 |
* for the inspiration. :-) */ |
| 385 |
PERM_OP (d,c,t,4,0x0f0f0f0fL); |
| 386 |
HPERM_OP(c,t,-2,0xcccc0000L); |
| 387 |
HPERM_OP(d,t,-2,0xcccc0000L); |
| 388 |
PERM_OP (d,c,t,1,0x55555555L); |
| 389 |
PERM_OP (c,d,t,8,0x00ff00ffL); |
| 390 |
PERM_OP (d,c,t,1,0x55555555L); |
| 391 |
d= (((d&0x000000ffL)<<16L)| (d&0x0000ff00L) | |
| 392 |
((d&0x00ff0000L)>>16L)|((c&0xf0000000L)>>4L)); |
| 393 |
c&=0x0fffffffL; |
| 394 |
|
| 395 |
for (i=0; i<16; i++) |
| 396 |
{ |
| 397 |
if (shifts2[i]) |
| 398 |
{ |
| 399 |
c=((c>>2L)|(c<<26L)); |
| 400 |
d=((d>>2L)|(d<<26L)); |
| 401 |
} |
| 402 |
else |
| 403 |
{ |
| 404 |
c=((c>>1L)|(c<<27L)); |
| 405 |
d=((d>>1L)|(d<<27L)); |
| 406 |
} |
| 407 |
c&=0x0fffffffL; |
| 408 |
d&=0x0fffffffL; |
| 409 |
/* could be a few less shifts but I am to lazy at this |
| 410 |
* point in time to investigate */ |
| 411 |
s= des_skb[0][ (c )&0x3f ]| |
| 412 |
des_skb[1][((c>> 6L)&0x03)|((c>> 7L)&0x3c)]| |
| 413 |
des_skb[2][((c>>13L)&0x0f)|((c>>14L)&0x30)]| |
| 414 |
des_skb[3][((c>>20L)&0x01)|((c>>21L)&0x06) | |
| 415 |
((c>>22L)&0x38)]; |
| 416 |
t= des_skb[4][ (d )&0x3f ]| |
| 417 |
des_skb[5][((d>> 7L)&0x03)|((d>> 8L)&0x3c)]| |
| 418 |
des_skb[6][ (d>>15L)&0x3f ]| |
| 419 |
des_skb[7][((d>>21L)&0x0f)|((d>>22L)&0x30)]; |
| 420 |
|
| 421 |
/* table contained 0213 4657 */ |
| 422 |
t2=((t<<16L)|(s&0x0000ffffL))&0xffffffffL; |
| 423 |
*(k++)=ROTATE(t2,30)&0xffffffffL; |
| 424 |
|
| 425 |
t2=((s>>16L)|(t&0xffff0000L)); |
| 426 |
*(k++)=ROTATE(t2,26)&0xffffffffL; |
| 427 |
} |
| 428 |
} |
| 429 |
|
| 430 |
static void DES_encrypt1(DES_LONG *data, DES_key_schedule *ks) |
| 431 |
{ |
| 432 |
register DES_LONG l,r,t,u; |
| 433 |
register DES_LONG *s; |
| 434 |
register const unsigned char *des_SP=(const unsigned char *)DES_SPtrans; |
| 435 |
|
| 436 |
r=data[0]; |
| 437 |
l=data[1]; |
| 438 |
|
| 439 |
IP(r,l); |
| 440 |
/* Things have been modified so that the initial rotate is |
| 441 |
* done outside the loop. This required the |
| 442 |
* DES_SPtrans values in sp.h to be rotated 1 bit to the right. |
| 443 |
* One perl script later and things have a 5% speed up on a sparc2. |
| 444 |
* Thanks to Richard Outerbridge <71755.204@CompuServe.COM> |
| 445 |
* for pointing this out. */ |
| 446 |
/* clear the top bits on machines with 8byte longs */ |
| 447 |
/* shift left by 2 */ |
| 448 |
r=ROTATE(r,29)&0xffffffffL; |
| 449 |
l=ROTATE(l,29)&0xffffffffL; |
| 450 |
|
| 451 |
s=ks->ks->deslong; |
| 452 |
/* I don't know if it is worth the effort of loop unrolling the |
| 453 |
* inner loop */ |
| 454 |
D_ENCRYPT(l,r, 0); /* 1 */ |
| 455 |
D_ENCRYPT(r,l, 2); /* 2 */ |
| 456 |
D_ENCRYPT(l,r, 4); /* 3 */ |
| 457 |
D_ENCRYPT(r,l, 6); /* 4 */ |
| 458 |
D_ENCRYPT(l,r, 8); /* 5 */ |
| 459 |
D_ENCRYPT(r,l,10); /* 6 */ |
| 460 |
D_ENCRYPT(l,r,12); /* 7 */ |
| 461 |
D_ENCRYPT(r,l,14); /* 8 */ |
| 462 |
D_ENCRYPT(l,r,16); /* 9 */ |
| 463 |
D_ENCRYPT(r,l,18); /* 10 */ |
| 464 |
D_ENCRYPT(l,r,20); /* 11 */ |
| 465 |
D_ENCRYPT(r,l,22); /* 12 */ |
| 466 |
D_ENCRYPT(l,r,24); /* 13 */ |
| 467 |
D_ENCRYPT(r,l,26); /* 14 */ |
| 468 |
D_ENCRYPT(l,r,28); /* 15 */ |
| 469 |
D_ENCRYPT(r,l,30); /* 16 */ |
| 470 |
|
| 471 |
/* rotate and clear the top bits on machines with 8byte longs */ |
| 472 |
l=ROTATE(l,3)&0xffffffffL; |
| 473 |
r=ROTATE(r,3)&0xffffffffL; |
| 474 |
|
| 475 |
FP(r,l); |
| 476 |
data[0]=l; |
| 477 |
data[1]=r; |
| 478 |
//l=r=t=u=0; |
| 479 |
} |
| 480 |
|
| 481 |
void my_des_ncbc_encrypt(const unsigned char *in, |
| 482 |
long length, DES_key_schedule *schedule, DES_cblock *ivec) |
| 483 |
{ |
| 484 |
register DES_LONG tin0,tin1; |
| 485 |
register DES_LONG tout0,tout1; |
| 486 |
register long l=length; |
| 487 |
DES_LONG tin[2]; |
| 488 |
unsigned char *iv; |
| 489 |
|
| 490 |
iv = &(*ivec)[0]; |
| 491 |
c2l(iv,tout0); |
| 492 |
c2l(iv,tout1); |
| 493 |
|
| 494 |
for (l-=8; l>=0; l-=8) |
| 495 |
{ |
| 496 |
c2l(in,tin0); |
| 497 |
c2l(in,tin1); |
| 498 |
tin0^=tout0; tin[0]=tin0; |
| 499 |
tin1^=tout1; tin[1]=tin1; |
| 500 |
DES_encrypt1((DES_LONG *)tin,schedule); |
| 501 |
tout0=tin[0]; |
| 502 |
tout1=tin[1]; |
| 503 |
} |
| 504 |
if (l != -8) |
| 505 |
{ |
| 506 |
c2ln(in,tin0,tin1,l+8); |
| 507 |
tin0^=tout0; tin[0]=tin0; |
| 508 |
tin1^=tout1; tin[1]=tin1; |
| 509 |
DES_encrypt1((DES_LONG *)tin,schedule); |
| 510 |
tout0=tin[0]; |
| 511 |
tout1=tin[1]; |
| 512 |
} |
| 513 |
|
| 514 |
iv = &(*ivec)[0]; |
| 515 |
l2c(tout0,iv); |
| 516 |
l2c(tout1,iv); |
| 517 |
} |